On Fri, Sep 5, 2014 at 5:35 PM, Matt Hughes <[email protected]> wrote:
> As far as I understand it, fact variables are exposed for the *current*
> server that Ansible is operating on. So if I say: {{
> ansible_default_ipv4.address }}, that is going to get evaluated for each
> host as I perform some operation using that variable.
>
Not the case, actually.
Facts are available for all servers in the current play or talked to in any
previous play *OR* potentially all servers previously talked to if "fact
caching" is enabled.
http://docs.ansible.com/playbooks_variables.html#fact-caching
Facts for other systems can be accessed like so using the "hostvars"
variable:
{{ hostvars["hostname.example.com"]["fact_name"] }}
For example:
{{ hostvars["hostname.example.com"]["ansible_default_ipv4"]["address"] }}
> I want that same variable, but for all hosts in the current play. Say I
> had three hosts I was operating against:
>
> one: 98.0.0.1
> two: 98.0.0.2
> three: 98.0.0.3
>
> I want to be able to do something like:
>
> hosts={% for fact in facts %}
> {{ fact['ansible_default_ipv4.address'] }},
> {% endfor %}
>
> and have that evaluated to "98.0.0.1,98.0.0.2,98.0.0.3"
>
>
>
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